Natural Supergravity inflation

Details Natural Supergravity inflation Natural Supergravity inflation

1996-08-15

arxiv.org/abs/hep-ph/9608336v3

Phys.Lett. B391 (1997) 271-280

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages (revtex) including 3 figures (epsf); Minor changes to Introduction and discussion and modified Figure 1; to appear in

Scientific paper

10.1016/S0370-2693(96)01484-0

We identify a new mechanism in supergravity theories which leads to successful inflation without any need for fine tuning. The simplest model yields a spectrum of density fluctuations tilted away from scale-invariance and negligible gravitational waves. We demonstrate that this is consistent with the observed large-scale structure for a cold dark matter dominated, critical density universe. The model can be tested through measurements of microwave background anisotropy on small angular scales.

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